== PRELIMINARY EARTHQUAKE REPORT ==
California Integrated Seismic Net
USGS/
Caltech/
CGS/
UCB/
UCSD/
UNR
Version #2: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A microearthquake occurred at 11:30:13 PM (PDT) on Monday, August 10, 2009.
The magnitude 2.1 event occurred 8 km (5 miles) N of Boulder Creek, CA.
The hypocentral depth is 15 km ( 9 miles).
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Magnitude |
2.1 - duration magnitude (Md) |
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Time |
Monday, August 10, 2009 at 11:30:13 PM (PDT)
Tuesday, August 11, 2009 at 6:30:13 (UTC)
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Distance from |
Boulder Creek, CA - 8 km (5 miles) N (351 degrees)
Saratoga, CA - 13 km (8 miles) SW (235 degrees)
Ben Lomond, CA - 14 km (9 miles) NNW (340 degrees)
Sunnyvale, CA - 21 km (13 miles) SSW (208 degrees)
San Jose City Hall, CA - 26 km (16 miles) SW (236 degrees)
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Coordinates |
37 deg. 12.3 min. N (37.205N), 122 deg. 8.4 min. W (122.139W) |
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Depth |
15.1 km (9.4 miles) |
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Location Quality |
Good |
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Location Quality Parameters |
Nst= 91, Nph= 91, Dmin=3 km, Rmss=0.19 sec, Erho=0.3 km, Erzz=0.5 km, Gp=126 degrees
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Event ID# |
nc71263271 |
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Additional Information |
map with fault names
Google Earth KML (Requires Google Earth.)
Did you feel it?
NCSN First Motion Mechanism 1
Waveforms
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Did you feel it? ||
Shake Map North
For more information, see http://quake.wr.usgs.gov/
|| Contacts
Back to map
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